Resilient wheel.



UNirsp srafrss TENT orales.

CARROLL D. GALVIN, OF MERCHANTVILLE, NEW JERSEY.

RESILIENT WHEEL.

To all fio/tom t may concern.'

Be it known thatI l, Guimont. D. GALVIN, a citizen of the United States, and residing at Merchantville, in the county of Camden, State of New Jersey, have invented a new and usei'ul Resilient lllhcel, o't which the following is a specification.

My present invention consists of a novel construction oi a resilient wheel wherein an inner andan outer telly are employed in conjunction with a novel construction of a pneu matic tube which issecured with respectl to the inner and cuter felly'in a novel manner.

lt further consists of a novel construction and arrangement of an inner and an outer telly and a novel constructionof disks adapted to resiliently resist side thrust.

It further consists of a novel construction land arrangement of clamping members for preventing relative movement of certain clements Iof the construction.

It further consists of other novel features of construction, all as will be hereinafter fully set forth.

For the purpose of illustrating my invention, Iy" have shown in the accompanying drawings a preferred embodiment which is at present preferred by me, since the same has been found in practice to give satisfacto-ry'and reliable results, although it is to be lunderstood that the various instrumentalities of -which my invention consists can be variously arranged and organized and that my invention is not limited to the precise arrangementl and organization ot' these instrumentalities as herein shown and de scribed.

Figure 1 represents a sectional elevation on line -w, Fig. 3, of a resilient wheel embodying my invention. Fig. 2 represents a sectional elevation thereof on an enlarged scale.l Fig. 3 represents'a side elevation of my device. Fig. 4 represents a side elevation of a portion of Fig. l in detached position, showing especially the clamping rings and their adjunc'ts. Fig. 5 represents a sectional view of a portion of Fig. 1, showing especially the inner telly and the pneumatic tube coacting therewith. Fig. 6 represents a perspective view of a portion of Fig. l, showing' especially the clamping rings and the recesses therein. Fig. 7 represents a perspective view similar to Fig. 6 but showing the manner of interlocking the clamping nuts with the rim recesses. Fig. 8 rep-re- Speeication of Letters Patent. y Patented Feb, 18,1913 Application filed July 13, 1912. Serial No. 709,119.

sents a side elevation of one of the clamping nuts. Fig. 9 represents a section on`line :'/'-.f/, Fis- 8- `Similar numerals of reference indicate corresponding parts in the figures.

Referring to the drawingsz-1 designates the inner telly which is secured to the spokes 2, in any desired or conventional manner, said felly l having in its outer perephery and preferably centrally located therein an annular groove 3, adapted to receive the inner terminal or terminals 4 of a pneumatic tube 5, preferably inflatable, which latter is constructed in a novel manner, as will be now clearly set forth. This inflatable tube 5 consists of two side members 6 and 7 constructed ot'lany desired number or arrangement of layers of fabric and rubber. These side members 6 and 7 are secured near the outer periphery to a U- /shaped portion 8 of the`tube, constructed in a similar manner tothe side members 6 and 7 and forming therewith outer terminals 9 and l0. In order to lock the terminals 9 and 10 with respect to the outer felly 11, the latter is provided withannular pockets or recesses 12 adapted to receive the beads 18, which are formed in any desired manner -in the present instance by buckling or pressing the tube together, and if desired a core 14 may be employed. l5 designates a valve mechanism of the usual type in order that the tire may be in- Hated or deflated as desired.

It will be understood that the inner terminal 4 may be readily Vopened when desired, for the purpose of inspection or repairs, and this inner terminal, at desired distances apart, is slightly recessed as is indicated at `16, as will be understood most clearly by reference to Fig. 5 in order that the fastening studs 17 will interlock with said recesses 16 and prevent in a positive manner any creeping of the tire relatively to the inner -telly. The studs 17 are provided at each end with a nut 18 which coperate with a clampingr member 19, the construction of which latter will be best understood from Figs. 2, 4, 7, 8 and 9. These clamping members 19 interlock with recesses 20, in the side wall ot the inner rim members 2l., and also with the recesses 29., in the side walls of the clamping rings 23, so that any relative movement of the rim members 21 relative to the inner felly 1 is prevented, and any relative bers, preferably resilient and consisting of disks, the inner ends of which are inwardly curved as at 25,in order that the'clamping rings Q3 may seat thereagainst. If desiredfthe outer portions of the thrust members 24 may be reinforced by deflecting the same upon itself asis indicated at 2G.

27 designates the'outer tread, the tread surface of which is preferably substantially flat-and the sides of the tread 2T are preferably provided with annular grooves 2S. The tread 27 preferably consists'of rubber lwhich is vulcanized to a layer of hard rubber 29, which latter interlocks with anetal ring 30,l against which the terminals 9 and l0 abut.

3l designates an annular ring surrounding the outer felly l1 and between this ring 3l and the ring 30 is interposed a layer of rubber 32. n

33 designates clamping plates through which pass the bolts 34, which latter are provided with nuts 35, it being understood that the bolts 311 also pass through the terminals 9 and l() and the outer felly l1. Special attention is directed to certain novel features in my construction, it, being noted that the U-shaped portion 8 of the inflatable tube 5,eXtends within the outer periphery of such tube 5. The pneumatic tube 5 is adapted to bevopened at its inner periphery, and the inner terminals-of the tube are clamped together in such a manner that a fluid tight seal is formed at such point. The outer felly l1 extends inwardly within the thrust zone-of the thrust resisting side members 24.

Special attention is also directed to the novel construction of the pneumatic tube in which a portion thereof extends inwardly to be inclosed by the side walls of the tube, and attention is also directed to the novel manner of interlocking the inner and outer terminalswith respect to the fellies, which in my present construction are preferably made solid.

I have-found in practice that it is advantageous'in some cases to employ a reinforcing annular gasket 3'6 preferably vulcanized `into the outer side walls. of the pneumatic tube 5 to reduce to a minimum the frictional wear between the side'disks 26 and the tube 5. Such gasket 36 is preferably constructed of metal reinforced fabric.

The rim members 21 are shrunk on the inner vfelly 1 or may be secured thereto by fastening devices 37 of any desired nat-ure.

It is not necessary in all c'ases to form re cesses 16 in the inner terminal t since the same are forme-d by the semi-fieXible termi nal et embedding by compression the ex posed studs 17. The inner terminal .4 thu.c nterlocks by compressionwith the studs 1. and prevents any relative circumferential movement. The walls of the tubes are juxtaposed to the side walls of the outer felly to form posing walls for resisting side thrust by intervening air compression,

It will now be apparent that I have devised a novelv and useful construction o f a resilient wheel which embodies the features of advantage enumerated as desirable in the statement of the invention and the above description, and While I have, in the presentinstance, shown and described preferred emibodiments thereof which havel been found in practice to give satisfactory and reliable results, it is to be understood that the same are susceptible of modification in various particulars without departing from the spirit or scope of the invention or sacrificing any of its advantages'. l K

Havingv thus described my invention, what I claim as new and desire to secure by Letters Patent, is

l. ln a device of the characterv'stated, an inner felly having a central groove therein, an outer felly, a flexible tube having its inner terminal engaging in said groove, overhanging side disks having their inner portions juxtaposed to said terminal, and clamping means adapted to contact with said overhangingdisks for securing thefinner terminal of said tube in said groove.

Q. In a device of the character stated, an inner felly having a central groove therein, an outer felly, a pneumatic tube having an inwardly extending substantially centrally located terminal, and two spaced outer terminals, side disks overhanging said pneu-k matic tube, clamping rings laterally movable toward said disks, means interlocking with said rings for clamping said disks and said inner terminalto said groove of said outer terminals to said outer felly.

3. In a device of the character stated,van inner felly, an outer felly, a pneumatic tube having an inner terminal interlocking with said inner felly and two spaced outer termi nals on opposite sides of the outer felly, side disks overhanging said tubeand having deflected portions engaging said inner terminal, clamping rings on opposite sides of the,I

inner terminal and engaging said deflected portions, clamping members interlocking with said rings,studs passingthrough said inner felly and interlocking with said inner terminal, and passing through said clamp ing members, said outer felly eXtending within said tube, a tread, and means for securing said outer terminals and said tread to said outer felly,

4. In a device ot the character stated, an inner telly having an annular groove in its outer periphery, an outer telly `liaving opposite sides substantially paralleha vtube. having an inner terminal secured to said inner telly'and having a portion surround-v ing the inner periphery and parallel sides ot said outer telly, whereby the outer central portion ot said tube is projected within the outer periphery thereof to torni air chambers on opposite sides ot said outer telly, thrust resisting side plates overhanging the tube'and secured to said inner telly, a tread, and means tor securing said tube and said tread to said outer telly.

In a device ot the `character stated, an

' inner telly having an annular groove therein, an outer telly, a flexible tube having an inner terminal interlocked in said groove and outer terminals on opposite sides ot said outer telly, studs carried by the inner telly and interlocking with saidA inner terminal, overhanging side disks contacting with said inner terminal, clamping'ineans coperat-u ing with said disks and said studs, a tread, and means tor securing said outer terminals and said tread to said outer telly.

G. In a device ot the character stated, an inner telly having a central groove therein, an outer telly, a flexible t-ube interlocked with said tellies and having an inwardly projected pocket at its cuter portions to receive said louter, telly, overhanging side disks, the inner ends 25 ot said disks terminating in proximity to said groove, laterally movable clamping devices 223 tor securing said disks in position, a reinforcing annular tabric SG located between outer portions ot said disks and said tube, a tread, and means to secure said tread to saidouter telly.

7. In a device ot thecharacter stated, an inner telly, an outer telly, a flexible tube interlockcd with said'tellies, laterally movable clamping rings 23 located intermediately ot said tube and' inner telly, a plurality ot clamping members 19 interlocked therewith, overhanging side disks, means carried by said inner telly and coperating with said clamping members and rings to secure said disks and said tube with respect to said inner telly, a tread, and means tor securing said tread and tube to said outer telly.

S. In a device ot the character stated, an inner telly having an annular groove therein, two rim members secured to said telly on opposite sides ot said groove, a tube having an inner terminal seated in said groove, overhanging side disks, laterally movable clamping bands engaging therewith, clamping members interlocked with said rim members and clamping bands, securing de` vices carried by the inner telly, interlocking with said inner terminal, and coperating with said clamping members, an outer telly, projecting within said tube and secured thereto, and a tread carried by said outer telly.

9. In a device ot the character stated, an inner telly having a central groove therein, an outer telly having`an annular groove on cach side thereot, a pneumatic tube having an inner terminal interlocking with the walls ot a groove in said inner telly and having two spaced outei` terminals provided with beads interlocking with'the annular grooves ot said outer telly, said outer telly being projected within the outer periphery ot said tube, overhanging side disks, laterallymovable clamping rings tor securing said side disks and said inner terminal with respect to said inner telly, a tread carried by said outer telly, and means tor securing said terminals to said outer telly.

10. In a device ot the character stated, an inner telly having a substantially cent ally located groove therein, an outer telly, a pneumatic tube having an inner terminal interlocking with said groove ot said inner telly and two outer proJecting terminals engaging opposite sides ot said outer telly, side disks overlninging said tube and having inwardly deflected portions engaging said inner terminal, laterally movable clamping devices on opposite sides ot said inner terminal and engaging-said deflected portions, an outer tread and means for securing said outer tread to said outer telly.

11. In a device ot the character stated, an inner telly having an annular groove therein, an outer telly, a pneumatic tube having an inner terminal interlocking with said inner telly and its outer portion in engagement with saidouter telly whereby the outer central portion ot said tube is projectedlwithin the outer periphery thereof, to torni air chambers on opposite sides ot said outer telly, overhanging side plates having their inner ends contacting with said inner terminal, clamping rings 23 located between said inner telly and said side plates, clamping members 19 interlocked with said rings, and transverse fastening devices tor securing said members 19 and rings 23 in assembled position.

12. In a device ot the cha 'acter-statcd, an inner telly having a groove therein, an outer telly, a pneumatic tube located between said tellies and having an inner terminal engaging said groove, thrust resisting side plates having inner portions engaging said inner terminal, annular clamping rings Q3 located intermediate ot said lates and said inner telly on each side ot said inner terminal, and laterally movable with respect thereto, means tor locking said rings with respect-to said inner terminal and side plates, an outer tread and means tor securing said outer tread with respect to said tube and outer telly.

13.. In a device of the character stated, an

inner felly, an outer' felly, a tube having an inner terminal secured to said inner felly, and. having a portion engaging the inner periphery and side walls of said outer felly, whereby the outer central portion of said tube is projected within the outer periphery thereof to form air chambers on opposite sides of said outer felly, thrust resisting side plates overlianging said tube and secured to `s`aic l iiiner felly, annular clan'iping devices for said inner terminal, located intermediate of said side plates and inner felly, clamping i members engaging with said annular clamping device, means for retaining said clamping devices in assembled position, a reinn forcing strip 86 for the sides of said tube locatedj in juxtaposition to said side plates,

' said pocket and projecting laterally therefrom, flanges projecting radially, outwardly, from said tube portion and Secured to said tube, said'flanges'being prolonged to form an outward extension yof said outer pocket,

'the inner portions 6 and 7 of said tube being curved inwardly and abutting to form at their juxtaposed positions, an inwardly eX- tending, substantially central, annular terminal LL, adapted to engage a corresponding groove of a wheel felly.

`15.'As a new article of manufacture, a pneumatic tube having an outer, central, annular, inwardly, projecting pocket having substantially parallel side walls and inflatable portions 6 and 7 at opposite sides of said pocket and projecting laterally therefrom, Hanges projecting radially, outwardly, from said tube portion and secured to said tube,said flanges being pro-longed to forni an outward extension of said outer pocket, the inner portions (5 and 7 of said tube being curved inwardly and abutting to form aii inwardly extending, substantially central, annular terminal, and a metal reinforced fabric 3G vulcanized to the outer side walls (i and 7 of said pneumatic tube.

CARROLL D. GALVIN. Witnesses:

H. S. FAnmANKs, C. D. MGVAY. 

